if err != nil { // returns a locked lock
		errResp(err)
		return
	}

	defer nsLock.Unlock(lkctx)
	healthCtx, healthCancel := context.WithTimeout(lkctx.Context(), deadline)
	defer healthCancel()

	go fetchHealthInfo(healthCtx, objectAPI, &query, healthInfoCh, healthInfo)

	setCommonHeaders(w)
	setEventStreamHeaders(w)
	w.WriteHeader(http.StatusOK)